#include "DHT.h"
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#define DHTTYPE DHT22  
#define DHTPIN 19
DHT dht(DHTPIN, DHTTYPE);

#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels

// Declaration for an SSD1306 display connected to I2C (SDA, SCL pins)
// The pins for I2C are defined by the Wire-library. 
// On an arduino UNO:       A4(SDA), A5(SCL)
// On an arduino MEGA 2560: 20(SDA), 21(SCL)
// On an arduino LEONARDO:   2(SDA),  3(SCL), ...
#define OLED_RESET     -1 // Reset pin # (or -1 if sharing Arduino reset pin)
#define SCREEN_ADDRESS 0x3C ///< See datasheet for Address; 0x3D for 128x64, 0x3C for 128x32
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);



const int boton=0;
 int estado=1;
 int=ultimoestado=HIGH;


  const unsigned char img_temp [] PROGMEM = {
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0xff, 0xff, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xf0, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0xff, 0xff, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xf0, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0xf0, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf0, 0x0f, 0x00, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0xf0, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf0, 0x0f, 0x00, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0xf0, 0x0f, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf0, 0x0f, 0xf0, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0xf0, 0x0f, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf0, 0x0f, 0xf0, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0xf3, 0xcf, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf3, 0xcf, 0x00, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0xf3, 0xcf, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf3, 0xcf, 0x00, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0xf3, 0xcf, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf3, 0xcf, 0xf0, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0xf3, 0xcf, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf3, 0xcf, 0xf0, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0xf3, 0xcf, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf3, 0xcf, 0x00, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0xf3, 0xcf, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0xf3, 0xcf, 0x80, 0x00, 0x00, 
	0x00, 0x00, 0x03, 0xf3, 0xcf, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x07, 0xe3, 0xc7, 0xe0, 0x00, 0x00, 
	0x00, 0x00, 0x0f, 0xc3, 0xc3, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x03, 0xc0, 0xf0, 0x00, 0x00, 
	0x00, 0x00, 0x1f, 0x03, 0xc0, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x1e, 0x0f, 0xf0, 0x78, 0x00, 0x00, 
	0x00, 0x00, 0x3e, 0x1f, 0xf8, 0x78, 0x00, 0x00, 0x00, 0x00, 0x3c, 0x1f, 0xf8, 0x3c, 0x00, 0x00, 
	0x00, 0x00, 0x3c, 0x3f, 0xfc, 0x3c, 0x00, 0x00, 0x00, 0x00, 0x3c, 0x3f, 0xfc, 0x3c, 0x00, 0x00, 
	0x00, 0x00, 0x3c, 0x3f, 0xfc, 0x3c, 0x00, 0x00, 0x00, 0x00, 0x3c, 0x3f, 0xfc, 0x3c, 0x00, 0x00, 
	0x00, 0x00, 0x3c, 0x1f, 0xf8, 0x3c, 0x00, 0x00, 0x00, 0x00, 0x3e, 0x1f, 0xf8, 0x7c, 0x00, 0x00, 
	0x00, 0x00, 0x1e, 0x0f, 0xf0, 0x78, 0x00, 0x00, 0x00, 0x00, 0x1f, 0x03, 0xc0, 0xf8, 0x00, 0x00, 
	0x00, 0x00, 0x0f, 0x00, 0x00, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x80, 0x01, 0xf0, 0x00, 0x00, 
	0x00, 0x00, 0x07, 0xe0, 0x07, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x03, 0xf8, 0x1f, 0xc0, 0x00, 0x00, 
	0x00, 0x00, 0x01, 0xff, 0xff, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0x3f, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0xf0, 0x00, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
const unsigned char epd_bitmap_gotita [] PROGMEM = {
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
	0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x08, 0x07, 0x00, 0x00, 0x00, 0x00, 0x1c, 0x0f, 0x00, 0x00, 
	0x00, 0x00, 0x3e, 0x0f, 0x80, 0x00, 0x00, 0x00, 0x3e, 0x1f, 0xc0, 0x00, 0x00, 0x00, 0x7f, 0x3f, 
	0xe0, 0x00, 0x00, 0x00, 0xff, 0xbf, 0xe0, 0x00, 0x00, 0x01, 0xff, 0x9f, 0xf0, 0x00, 0x00, 0x01, 
	0xff, 0xcf, 0xf8, 0x00, 0x00, 0x03, 0xff, 0xe7, 0xf8, 0x00, 0x00, 0x07, 0xff, 0xf7, 0xfc, 0x00, 
	0x00, 0x07, 0xff, 0xf3, 0xfe, 0x00, 0x00, 0x0f, 0xff, 0xf9, 0xff, 0x00, 0x00, 0x1f, 0xff, 0xfd, 
	0xff, 0x00, 0x00, 0x3f, 0xff, 0xfc, 0xff, 0x80, 0x00, 0x3f, 0xff, 0xfe, 0x7f, 0x80, 0x00, 0x7f, 
	0xff, 0xff, 0x3f, 0xc0, 0x00, 0xff, 0xff, 0xff, 0x3f, 0xc0, 0x00, 0xff, 0xff, 0xff, 0x9f, 0xc0, 
	0x01, 0xff, 0xff, 0xff, 0xdf, 0xc0, 0x01, 0xff, 0xff, 0xff, 0xcf, 0xc0, 0x01, 0xff, 0xff, 0xff, 
	0xcf, 0xc0, 0x03, 0xff, 0xff, 0xff, 0xcf, 0x80, 0x03, 0xff, 0xff, 0xff, 0xef, 0x80, 0x03, 0xff, 
	0xff, 0xf7, 0xef, 0x00, 0x03, 0xff, 0xff, 0xe7, 0xef, 0x00, 0x03, 0xff, 0xff, 0xe7, 0xce, 0x00, 
	0x01, 0xff, 0xff, 0xef, 0xcc, 0x00, 0x01, 0xff, 0xff, 0xcf, 0xc0, 0x00, 0x01, 0xff, 0xff, 0x9f, 
	0xc0, 0x00, 0x00, 0xff, 0xff, 0x3f, 0x80, 0x00, 0x00, 0xff, 0xf0, 0x7f, 0x80, 0x00, 0x00, 0x7f, 
	0xf1, 0xff, 0x00, 0x00, 0x00, 0x3f, 0xff, 0xfe, 0x00, 0x00, 0x00, 0x1f, 0xff, 0xfc, 0x00, 0x00, 
	0x00, 0x0f, 0xff, 0xf8, 0x00, 0x00, 0x00, 0x03, 0xff, 0xe0, 0x00, 0x00, 0x00, 0x00, 0xff, 0x80, 
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};


 
void setup() {
  Serial.begin(9600);


  // SSD1306_SWITCHCAPVCC = generate display voltage from 3.3V internally
  if(!display.begin(SSD1306_SWITCHCAPVCC, SCREEN_ADDRESS)) {
    Serial.println(F("SSD1306 allocation failed"));
    for(;;); // Don't proceed, loop forever
		boton_INPUT;
  }

 Serial.println(F("DHTxx test!"));

  dht.begin();

}


  
void loop() {
   
delay(2000);

  // Reading temperature or humidity takes about 250 milliseconds!
  // Sensor readings may also be up to 2 seconds 'old' (its a very slow sensor)
  float h = dht.readHumidity();
  // Read temperature as Celsius (the default)
  float t = dht.readTemperature();
  

  // Check if any reads failed and exit early (to try again).
  if (isnan(h) || isnan(t))  {
    Serial.println(F("Failed to read from DHT sensor!"));
    return;
  }

		Serial.print(h);
		Serial.print(t);
    display.clearDisplay();
    display.drawBitmap(0,0,img_temp ,64,64,SSD1306_WHITE);
    display.setCursor(52,16);
    display.setTextSize(3);
    display.setTextColor(WHITE,BLACK);
    display.print(t);
    display.display();

    delay(3000);
    display.clearDisplay();

    display.drawBitmap(0,0, epd_bitmap_gotita ,48,48,SSD1306_WHITE);
    display.setCursor(52,16);
    display.setTextSize(2);
    display.setTextColor(WHITE,BLACK);
    display.print(h);
    
   display.display();
   
		
	 if (estado=1){
	 digitalWrite(boton, HIGH);
	 digitalWrite(boton.LOW);}
	 else{
		digitalWrite(LOW)
		digitalWrite(HIGH);;
	 }
	 int estadoboton=digitalRead(boton)
	 if (digitalRead(boton)==LOW && ultimoestado==HIGH)
	 delay(50);//para evitar revote de contacto
	 if (pantalla=1);
	 pantalla=2;
	else
	pantalla=1;
	 }
	 ultimoEstado=EstadoBoton;
	 if (pantalla=1)